Concept explainers
Channel flow The flow in a long shallow channel is modeled by the velocity field F = (0, 1 – x2), where R = {(x, y): |x| ≤ 1 and |y| = 5}.
a. Sketch R and several streamlines of F.
b. Evaluate the curl of F on the lines x = 0, x =
c. Compute the circulation on the boundary of R.
d. How do you explain the fact that the curl of F is nonzero at points of R, but the circulation is zero?
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Calculus: Early Transcendentals (2nd Edition)
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